spiny

Từ điển Oxford Advanced Learner 8th

spiny [spiny spinier spiniest] BrE [ˈspaɪni] NAmE [ˈspaɪni] adjective
(of animals or plants)having sharp points like needles
•spiny sea urchins
•spiny leaves
see also ↑spine

Example Bank:
•Beware spiny sea urchins on the sea bed.
•The spiny leaves may be light or dark green.